Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN

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Point Forecast Matrices
National Weather Service Morristown TN
131 AM EDT Sun Oct 5 2025

TNZ017-052000-
Tri Cities Airport-Sullivan TN
36.50N  82.41W Elev. 1536 ft
131 AM EDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      80          57          82          58          81
Temp          52 51 68 78 79 69 63 60 59 57 71 79 81 72 65 62 60 59 71 78 80 73
Dewpt         50 50 58 58 58 59 58 58 58 57 61 61 60 62 60 59 58 58 63 64 64 64
RH            93 96 70 50 49 70 84 93 96100 71 54 49 71 84 90 93 96 76 62 58 73
Wind Dir       E  E  E SE SE SE  E  E NE  E  E SE SE SE SE  E  E  E  S SW SW  S
Wind Spd       2  3  3  4  5  5  4  2  2  2  3  3  5  5  3  2  2  2  2  3  4  2
Clouds        SC FW FW FW FW FW FW FW FW SC FW FW FW SC SC SC B1 B1 SC SC B1 B2
PoP 12hr                      5           5           0           5          20
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                              S  S  C
Tstms                                                                         S
Obvis                                    PF


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          63    73      58    73      52    71      53    72
Temp          65 63 70 66   59 58 70 65   56 52 68 64   56 53 69 63
Dewpt         63 63 67 63   58 56 59 57   52 51 58 58   55 52 58 57
PWind Dir         S     N      NE     E       E    NE       E     N
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 OV B2 B1   SC B1 B1 SC   SC SC SC SC   SC B1 B1 SC
PoP 12hr         70    50      30    20      20    20      20    20
Rain shwrs     C  L  C  C    S  C  S  S       S  S  S    S  S     S
Tstms          S     S  S

$$

TNZ071-052000-
Knoxville McGhee Tyson Airport-Blount TN
35.80N  83.98W Elev. 979 ft
131 AM EDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      83          62          84          63          84
Temp          59 57 70 81 81 73 68 65 64 62 72 81 83 77 70 66 65 63 74 81 83 77
Dewpt         56 56 61 62 62 62 62 62 61 61 63 65 65 65 65 63 63 62 66 66 65 66
RH            90 96 73 53 53 68 81 90 90 97 73 58 55 67 84 90 93 97 76 60 55 69
Wind Dir      NE NE NE  E SE  S  N  N  N NE NE NE  E SE SE SE SE SE  S SW SW SW
Wind Spd       3  4  4  4  5  4  3  2  3  3  2  2  3  3  3  2  2  2  2  3  4  3
Clouds        SC SC FW FW SC SC SC FW SC SC SC SC SC SC SC B1 B1 B2 SC B1 B1 B1
PoP 12hr                      5          10           5           5          20
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                              S  S  C


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          66    77      61    77      60    73      58    74
Temp          69 66 74 71   64 61 74 70   63 60 71 67   60 58 72 68
Dewpt         66 66 70 67   63 60 66 64   62 59 63 62   59 58 62 60
PWind Dir         S    NE      NE    NE       E     N       E    NE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 OV B2 B1   B1 B2 B1 SC   B1 B1 B1 SC   SC B1 SC SC
PoP 12hr         60    40      20    20      20    20      20    10
Rain shwrs     C  L  C  C    S  S  S  S    S  S  S       S  S
Tstms                S  C          S  S

$$

TNZ036-052000-
Oak Ridge-Anderson TN
36.00N  84.24W Elev. 913 ft
131 AM EDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      82          61          82          63          83
Temp          58 56 71 80 81 71 66 64 62 61 72 80 82 74 68 66 65 63 75 82 81 73
Dewpt         56 56 61 62 62 62 61 61 60 60 64 65 65 65 64 63 63 63 67 66 66 66
RH            93100 71 54 53 73 84 90 93 97 76 60 56 74 87 90 93100 76 58 60 79
Wind Dir      NE NE NE  E  E SE NE  N NE NE  E  E SE  E SW  W  W SW  S SW SW SW
Wind Spd       2  2  2  3  3  2  2  1  2  2  2  2  2  2  1  1  1  1  2  3  3  2
Clouds        SC SC FW FW FW SC SC SC SC SC B1 SC SC SC B1 B1 B2 B2 B1 B1 B1 B2
PoP 12hr                      5          10           5          10          30
QPF 12hr                      0           0           0           0        0.04
Rain shwrs                                                              C  C  C


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          65    76      60    76      59    73      57    74
Temp          67 65 74 70   62 60 73 69   62 59 70 67   59 57 72 66
Dewpt         67 65 70 66   60 59 66 64   62 59 64 62   59 57 63 60
PWind Dir         W     N      NE    NE      NE    SE       N    NE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B2 OV B2 B1   B1 B1 B1 SC   B1 B1 B1 SC   SC SC SC FW
PoP 12hr         70    50      20    20      20    20      20    10
Rain shwrs     C  L  C  C       S  S  S    S  S  S  S       S
Tstms             S  S  C          S  S

$$

TNZ099-052000-
Chattanooga Airport-Hamilton TN
35.03N  85.22W Elev. 688 ft
131 AM EDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      83          65          83          65          85
Temp          62 61 73 81 81 74 69 67 66 65 74 80 83 77 70 68 67 65 75 82 84 78
Dewpt         60 59 62 64 65 65 65 65 64 64 66 67 67 67 67 66 66 65 67 67 67 67
RH            93 93 68 56 58 74 87 93 93 97 76 65 59 71 90 93 97100 76 61 57 69
Wind Dir      NE NE  E SE SE SE  E NE NE NE  E SE SE SE SE SE SE SE  S  S  S  S
Wind Spd       2  2  5 10 11  8  5  4  3  3  5  9 10  5  5  3  2  2  5  6  6  4
Clouds        SC SC SC SC B1 SC FW SC SC SC B1 B1 SC SC SC SC B1 SC SC B1 SC B1
PoP 12hr                      5          10           5           5          20
QPF 12hr                      0           0           0           0        0.01
Rain shwrs                                                              S  S  C
Heat index                                        86                   85 87
Max heat               83    84                82    86                85    87


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          68    81      64    77      61    76      59    78
Temp          69 68 78 75   67 64 75 71   63 61 73 70   61 59 75 71
Dewpt         67 68 70 69   66 63 67 65   61 59 63 62   61 59 63 61
PWind Dir        SE     N      NE     E       S    SE      SE    NE
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B2 B2 B1   SC B1 B1 B1   SC B1 B1 SC   SC SC SC SC
PoP 12hr         50    40      20    20      20    10      10    10
Rain shwrs     C  C  C  C       S  S  S       S
Tstms             S  S  C

$$

NCZ060-052000-
Tusquitee RAWS-Forestry-Cherokee NC
35.07N  84.12W Elev. 1600 ft
131 AM EDT Sun Oct 5 2025

Date             Sun 10/05/25            Mon 10/06/25            Tue 10/07/25
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          61          79          60          81
Temp          58 57 69 77 76 66 63 64 62 61 72 78 77 68 64 63 62 60 71 78 80 71
Dewpt         56 56 61 62 62 62 62 61 60 59 63 65 64 63 62 61 61 60 64 63 64 64
RH            93 96 76 60 62 87 97 90 93 93 73 64 64 84 93 93 97100 79 60 58 79
Min/Max RH                   58          97          62         100          56
Wind Dir       E  E  E SE SE SE  E  E  E  E SE SE SE SE SE SE SE SE SE SE  S SE
Wind Dir Deg  11 11 11 12 12 12 11 11 11 10 12 13 13 12 12 12 12 12 14 15 16 14
Wind Spd       3  4  9  9  9  5  6  5  5  4  8  8  8  5  5  3  3  2  5  5  5  2
Wind Gust                    16 19 19 17 14             16 14
Clouds        B1 B2 B1 SC SC SC SC SC SC SC B1 B1 SC SC SC B1 B1 B1 SC B1 SC B1
Clouds (%)    57 77 57 50 46 35 31 35 47 48 54 58 40 29 39 55 60 65 41 54 50 62
Vsby          10 10 10 10 10 10 10 10 10  8 10 10
PoP 12hr                     10          10           5           5          10
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                                    S
ChanceThunder                 5           5           5           5           5
Max Mix Hgt
AGL Mix Hgt                3800                    4000                    4700
Max Vent Rt               56300                   42000                   36800
T Wind Dir                    E                      SE                      SE
T Wind Spd                   14                      11                       8
ADI                          56                      41                      37
Max LVORI                     7                       6                       9
Stability         F     C     B     F     G     C     B     F     F     C     B
Ceiling        NONE  NONE  NONE 23500 23500 20800  NONE  NONE  NONE  NONE  NONE
Sta Pres      28.10 28.07 28.07 28.07 28.09 28.07 28.07 28.06 28.06 28.03 28.02


Date          Wed 10/08/25  Thu 10/09/25  Fri 10/10/25  Sat 10/11/25
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          61    78      60    75      54    73      52    75
Temp          63 61 77 68   62 60 74 63   57 54 72 62   56 53 74 62
Dewpt         63 61 68 66   62 60 63 61   56 54 60 59   56 53 60 58
PWind Dir        SE     N      NE    SE      SE    SE      SE     N
Wind Char        LT    LT      LT    LT      LT    LT      LT    LT
Avg Clouds    B1 B2 B2 B1   B1 B2 B2 B1   B1 B1 B1 SC   SC SC SC SC
PoP 12hr         40    50      30    30      20    20      10    10
Rain shwrs     S  C  C  C    S  C  C  C    S  S  S  S
Tstms                   C    S  S

This is an experimental product for planning and review purposes only, and is
not to be substituted for an official fire weather spot forecast

$$